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authorMilena Olech <milena.olech@intel.com>2025-04-16 14:19:00 +0200
committerTony Nguyen <anthony.l.nguyen@intel.com>2025-05-16 09:13:02 -0700
commit9525a12d6b0b17ec255d24856d04342bedf1c050 (patch)
tree7bb5112339091d4e220593128188d75c14c96287
parent894fbb55e60cab4ea740f6c65a08b5f8155221f4 (diff)
idpf: change the method for mailbox workqueue allocation
Since workqueues are created per CPU, the works scheduled to this workqueues are run on the CPU they were assigned. It may result in overloaded CPU that is not able to handle virtchnl messages in relatively short time. Allocating workqueue with WQ_UNBOUND and WQ_HIGHPRI flags allows scheduler to queue virtchl messages on less loaded CPUs, what eliminates delays. Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: Milena Olech <milena.olech@intel.com> Tested-by: Samuel Salin <Samuel.salin@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_main.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/idpf/idpf_main.c b/drivers/net/ethernet/intel/idpf/idpf_main.c
index b35713036a54..ae7066b506e6 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_main.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_main.c
@@ -199,9 +199,8 @@ static int idpf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_serv_wq_alloc;
}
- adapter->mbx_wq = alloc_workqueue("%s-%s-mbx",
- WQ_UNBOUND | WQ_MEM_RECLAIM, 0,
- dev_driver_string(dev),
+ adapter->mbx_wq = alloc_workqueue("%s-%s-mbx", WQ_UNBOUND | WQ_HIGHPRI,
+ 0, dev_driver_string(dev),
dev_name(dev));
if (!adapter->mbx_wq) {
dev_err(dev, "Failed to allocate mailbox workqueue\n");